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1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 the V8 project authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "src/mips64/codegen-mips64.h" | 5 #include "src/mips64/codegen-mips64.h" |
6 | 6 |
7 #if V8_TARGET_ARCH_MIPS64 | 7 #if V8_TARGET_ARCH_MIPS64 |
8 | 8 |
9 #include "src/codegen.h" | 9 #include "src/codegen.h" |
10 #include "src/macro-assembler.h" | 10 #include "src/macro-assembler.h" |
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25 #endif | 25 #endif |
26 | 26 |
27 | 27 |
28 UnaryMathFunctionWithIsolate CreateExpFunction(Isolate* isolate) { | 28 UnaryMathFunctionWithIsolate CreateExpFunction(Isolate* isolate) { |
29 size_t actual_size; | 29 size_t actual_size; |
30 byte* buffer = | 30 byte* buffer = |
31 static_cast<byte*>(base::OS::Allocate(1 * KB, &actual_size, true)); | 31 static_cast<byte*>(base::OS::Allocate(1 * KB, &actual_size, true)); |
32 if (buffer == nullptr) return nullptr; | 32 if (buffer == nullptr) return nullptr; |
33 ExternalReference::InitializeMathExpData(); | 33 ExternalReference::InitializeMathExpData(); |
34 | 34 |
35 MacroAssembler masm(nullptr, buffer, static_cast<int>(actual_size)); | 35 MacroAssembler masm(isolate, buffer, static_cast<int>(actual_size), false); |
36 | 36 |
37 { | 37 { |
38 DoubleRegister input = f12; | 38 DoubleRegister input = f12; |
39 DoubleRegister result = f0; | 39 DoubleRegister result = f0; |
40 DoubleRegister double_scratch1 = f4; | 40 DoubleRegister double_scratch1 = f4; |
41 DoubleRegister double_scratch2 = f6; | 41 DoubleRegister double_scratch2 = f6; |
42 Register temp1 = a4; | 42 Register temp1 = a4; |
43 Register temp2 = a5; | 43 Register temp2 = a5; |
44 Register temp3 = a6; | 44 Register temp3 = a6; |
45 | 45 |
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75 return stub; | 75 return stub; |
76 #else | 76 #else |
77 | 77 |
78 size_t actual_size; | 78 size_t actual_size; |
79 byte* buffer = | 79 byte* buffer = |
80 static_cast<byte*>(base::OS::Allocate(3 * KB, &actual_size, true)); | 80 static_cast<byte*>(base::OS::Allocate(3 * KB, &actual_size, true)); |
81 if (buffer == NULL) return stub; | 81 if (buffer == NULL) return stub; |
82 | 82 |
83 // This code assumes that cache lines are 32 bytes and if the cache line is | 83 // This code assumes that cache lines are 32 bytes and if the cache line is |
84 // larger it will not work correctly. | 84 // larger it will not work correctly. |
85 MacroAssembler masm(NULL, buffer, static_cast<int>(actual_size)); | 85 MacroAssembler masm(NULL, buffer, static_cast<int>(actual_size), false); |
86 | 86 |
87 { | 87 { |
88 Label lastb, unaligned, aligned, chkw, | 88 Label lastb, unaligned, aligned, chkw, |
89 loop16w, chk1w, wordCopy_loop, skip_pref, lastbloop, | 89 loop16w, chk1w, wordCopy_loop, skip_pref, lastbloop, |
90 leave, ua_chk16w, ua_loop16w, ua_skip_pref, ua_chkw, | 90 leave, ua_chk16w, ua_loop16w, ua_skip_pref, ua_chkw, |
91 ua_chk1w, ua_wordCopy_loop, ua_smallCopy, ua_smallCopy_loop; | 91 ua_chk1w, ua_wordCopy_loop, ua_smallCopy, ua_smallCopy_loop; |
92 | 92 |
93 // The size of each prefetch. | 93 // The size of each prefetch. |
94 uint32_t pref_chunk = 32; | 94 uint32_t pref_chunk = 32; |
95 // The maximum size of a prefetch, it must not be less then pref_chunk. | 95 // The maximum size of a prefetch, it must not be less then pref_chunk. |
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605 | 605 |
606 UnaryMathFunction CreateSqrtFunction() { | 606 UnaryMathFunction CreateSqrtFunction() { |
607 #if defined(USE_SIMULATOR) | 607 #if defined(USE_SIMULATOR) |
608 return &std::sqrt; | 608 return &std::sqrt; |
609 #else | 609 #else |
610 size_t actual_size; | 610 size_t actual_size; |
611 byte* buffer = | 611 byte* buffer = |
612 static_cast<byte*>(base::OS::Allocate(1 * KB, &actual_size, true)); | 612 static_cast<byte*>(base::OS::Allocate(1 * KB, &actual_size, true)); |
613 if (buffer == NULL) return &std::sqrt; | 613 if (buffer == NULL) return &std::sqrt; |
614 | 614 |
615 MacroAssembler masm(NULL, buffer, static_cast<int>(actual_size)); | 615 MacroAssembler masm(NULL, buffer, static_cast<int>(actual_size), false); |
616 | 616 |
617 __ MovFromFloatParameter(f12); | 617 __ MovFromFloatParameter(f12); |
618 __ sqrt_d(f0, f12); | 618 __ sqrt_d(f0, f12); |
619 __ MovToFloatResult(f0); | 619 __ MovToFloatResult(f0); |
620 __ Ret(); | 620 __ Ret(); |
621 | 621 |
622 CodeDesc desc; | 622 CodeDesc desc; |
623 masm.GetCode(&desc); | 623 masm.GetCode(&desc); |
624 DCHECK(!RelocInfo::RequiresRelocation(desc)); | 624 DCHECK(!RelocInfo::RequiresRelocation(desc)); |
625 | 625 |
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1253 } | 1253 } |
1254 } | 1254 } |
1255 | 1255 |
1256 | 1256 |
1257 #undef __ | 1257 #undef __ |
1258 | 1258 |
1259 } // namespace internal | 1259 } // namespace internal |
1260 } // namespace v8 | 1260 } // namespace v8 |
1261 | 1261 |
1262 #endif // V8_TARGET_ARCH_MIPS64 | 1262 #endif // V8_TARGET_ARCH_MIPS64 |
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